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Walkabout the Galaxy

Dec 9, 2020

Astrometry, what is it good for? Among other things it tells us where the heck we are, and that turns out to be only 25,000 light years away from the monster black hole at the center of the galaxy. Closer to home, the astroquarks discuss the exciting return of samples from an asteroid and the Moon by two robotic explorers, plus astronomy trivia and more space news from the venerable Voyager probes.